Home / 147,482.67-203,541.69-90,155.55

Finding the Fourth Proportional to 147,482.67, 203,541.69 and 90,155.55

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Solution

The fourth proportional to 147,482.67, 203,541.69 and 90,155.55 is: 124,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,482.67 : 203,541.69 = 90,155.55 : x
  2. Step 2: Convert to fraction form
    147,482.67/203,541.69 = 90,155.55/x
  3. Step 3: Cross multiply
    147,482.67x = 203,541.69 × 90,155.55
  4. Step 4: Simplify right side
    147,482.67x = 18,350,412,671.80
  5. Step 5: Solve for x
    x = 18,350,412,671.80/147,482.67
  6. Step 6: Final answer
    x = 124,424.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.